Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR PERNICIOUS

Perhaps it is in this last that it becomes our most pernicious enemy.

He said this was to discourage that pernicious class of men, the inventors.

Pride is excellent; but even pride may sometimes be pernicious.

But forego, if possible, your pernicious stimulant of laudanum.

All books which meddle with the faith are condemnable and pernicious.

Existing marriage is a pernicious survival of the patriarchal age.

But human society has guided them into false and pernicious ways.

Of course it was all wrong, a pernicious system and all that, but they did do it.

He was quite sure that the question was not asked in reference to the pernicious man.

She had said that she was to dance, not with that pernicious Captain, but with a foreign Count.

WORD ORIGIN

early 15c., from Middle French pernicios (13c., Modern French pernicieux) and directly from Latin perniciosus "destructive," from pernicies "destruction, death, ruin," from per- "completely" (see per) + necis "violent death, murder," related to necare "to kill," nocere "to hurt, injure, harm," noxa "harm, injury" (see noxious). Related: Perniciously; perniciousness.

MORE RELATED WORDS FOR PERNICIOUS

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.